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Individual Calculations May 2012 |
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| Sobel, Simone Total change: -4.20 | |   |
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| 17th Metropolitan Chess FIDE Qualifier | Los Angeles, California | USA | 2012-02-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1991 | 1855 | 0.50 | 2 | -0.15 | 15 | -2.25 | |
|  Clawitter, Craig | | | 2082 | USA | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Polsky, Ryan | | | 1899 | USA | 0.50 | 1 | 0.06 | 15 | 0.90 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 18th Metropolitan Chess FIDE Qualifier | Los Angeles, California USA | USA | 2012-03-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1952 | 1844 | 1.00 | 4 | -0.41 | 15 | -6.15 | |
|  Gojich, Alex | | | 1970 | USA | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Polsky, Ryan | | | 1888 | USA | 1.00 | 1 | 0.56 | 15 | 8.40 | | | Purcell, Brendan T | | | 2015 | USA | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Sheng, Joshua | | | 1936 | USA | 0.00 | 1 | -0.37 | 15 | -5.55 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 19th Metropolitan Chess FIDE Qualifier | Los Angeles, California | USA | 2012-04-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1947 | 1844 | 1.00 | 2 | 0.28 | 15 | 4.20 | |
| | Gojich, Alex | | | 1970 | USA | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Quercia, Dylan | | | 1924 | USA | 1.00 | 1 | 0.61 | 15 | 9.15 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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